CN103173272A - High-temperature lubricating agent for metal thermoplastic processing - Google Patents
High-temperature lubricating agent for metal thermoplastic processing Download PDFInfo
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- CN103173272A CN103173272A CN 201310093655 CN201310093655A CN103173272A CN 103173272 A CN103173272 A CN 103173272A CN 201310093655 CN201310093655 CN 201310093655 CN 201310093655 A CN201310093655 A CN 201310093655A CN 103173272 A CN103173272 A CN 103173272A
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Abstract
The invention provides a high-temperature lubricating agent for metal thermoplastic processing. The high-temperature lubricating agent comprises the components of 15-70% of alkali metal salt, 10-50% of phosphate, 0.5-30% of boric acid and 0.01-2% of bactericide, wherein 1-20 fold of water is added to the components to prepare into colorless transparent solution. The prepared lubricating agent is coated on tools and molds of which the temperature is greater than 80 DEG C. The high-temperature lubricating agent has stable viscosity, and small shear force at high temperature, has good high-temperature lubricating property and good heat-insulting property, and can be subjected to liquid lubrication; rapid rise of temperature of a core rod is avoided in the process of continuously rolling a steel pipe; and improvement of the service life of the core rod is facilitated. The high-temperature lubricating agent is suitable for the processes of rolling, forging, extruding and like of the steel under a high-temperature state, and especially suitable for lubricating the core rod when a seamless tube is hot rolled. The high-temperature lubricating agent does not cause any pollution to the environment. Therefore, the high-temperature lubricating agent has good popularization and application prospect.
Description
Technical field
The present invention relates to a kind of metallized thermoplastic processing and use high temperature lubricant, relate in particular to a kind of environment-friendly high-temperature lubricant for processing metal thermoplasticity and using method thereof, belong to the category of liquid lubricant.
Background technology
When the mandrel mill-rolled steel pipe unit is produced weldless steel tube, the mandrel lubrication processing condition that are absolutely necessary, the quality good or not of core rod lubricant agent, performance quality will directly have influence on tube quality, safety in production and environmental protection.The lubricant that uses at present both at home and abroad mostly with graphite microparticles as basic lubricant, then add other mineral compound and organic compound.Be CN1405286A, CN1493674A and Japanese kokai publication hei 2-51592 communique as China Patent Publication No..Due to graphite microparticles as basic lubricant, just have following point: 1. may make steel pipe internal-surface by carburizing, chromium compounds can occur along grain boundary precipitate, reduce the corrosion resistance of steel pipe when rolling stainless steel or high quality steel; 2. graphite microparticles has good conductivity, and the pollution meeting of graphite microparticles causes potential safety hazard to electric installation, instrument in the process that makes with lubricator; 8. give and produce ring
Black pollution is brought in the border.Be lubricated base-material although China Patent Publication No. is CN1243150A, CN1845982A, Japanese kokai publication sho 64-16894 communique, disclosed these lubricant technology of Japanese kokai publication hei 5-171165 communique are used instead natural without graphite microparticles as lubricated base-material or the micro mists such as micanite, vermiculite, talcum powder, wilkinite are ashamed, this is only that white pollution has been substituted black pollution.The disclosed technology of above several patent, basic lubricant is all water-fast solid micro-powder, its lubricating quality all belongs to the category of solid lubrication, therefore inevitably exists solid micro-powder to cause pollution black or white to environment.
Summary of the invention
The purpose of this invention is to provide a kind of environment-friendly high-temperature lubricant for processing metal thermoplasticity, the mandrel lubrication when being particularly useful for hot rolled seamless steel tube.
Technical scheme of the present invention is as follows: for liquid lubrication, must satisfy following requirement: 1) the mandrel surface temperature is when 100 ℃ of left and right, and lubricant can be sprayed on the mandrel surface film forming smoothly, and stronger bonding force is arranged; 2) lubricant should have suitable softening temperature, softening temperature is controlled at 750～850 ℃ and is advisable 3) temperature of fusion is controlled at 900 ℃, should be molten state at 900 ℃～1250 ℃ lubricants, and suitable viscosity to be arranged, low shearing force and high temperature ductility have good high temperature lubrication property to guarantee lubricant.
The object of the present invention is achieved like this: a kind of environment-friendly high-temperature lubricant for processing metal thermoplasticity, and constitutive material weight percent proportioning is:
An alkali metal salt 15～70%
Phosphoric acid salt 10 one 50%
Boric acid 0.5～30%
Sterilant 0.01～2%
Above-mentioned constitutive material adds the water of 20 times of weight of 1N again.
Preferably, described an alkali metal salt is one or more in Sodium Tetraborate, potassium borate, water glass, potassium silicate, sodium sulfate, vitriolate of tartar, sodium carbonate, salt of wormwood, sodium bicarbonate, saleratus, they can improve lubricity, also play the tackiness agent effect, increase is fluxed, and improves steel tube surface quality.
Preferably, described phosphoric acid salt is one or more in sodium phosphate, potassiumphosphate, trisodium phosphate, Sodium hexametaphosphate 99, SODIUM PHOSPHATE, MONOBASIC, potassium primary phosphate, sodium polyphosphate, potassium primary phosphate, Secondary ammonium phosphate, Sodium phosphate dibasic, microcosmic salt, primary ammonium phosphate, SODIUM PHOSPHATE, MONOBASIC.
Preferably, described boric acid is the boric acid of solubility and one or both in boron oxide.
The chemical stability that adds boric acid can improve lubricant can also be regulated the high temperature viscosity of lubricant.Make the lubricant can be not too high because of viscosity, improve the shearing force of liquation and affect lubricant effect, also can not lose lubrication because of the too low continuity of having destroyed liquation of viscosity.
Preferably, described sterilant is one or more in dodecyl benzyl dimethyl ammonium chloride, isothiazolinone, glutaraldehyde, stability chlorine dioxide, adds sterilant can prevent that lubricant solution is not contaminated by bacterial rotten.
Preferably, the pH position of this lubricant is 7～9.
The present invention has adopted above technical scheme, makes it compared with prior art, has the following advantages and positively effect:
1) the present invention has good high temperature lubrication property;
2) the present invention does not have a negative impact to steel tube performance and steel tube surface quality;
3) the present invention does not cause any pollution to environment, is the environmental type lubricant of production environment of adequately protecting.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.Lubricant product of the present invention is sprayed on mandrel surface more than 80 ℃, penetrates waste hairpin and enter mill milling.
EXAMPLE l
Sodium Tetraborate 55.0%
Trisodium phosphate 24.0%
SODIUM PHOSPHATE, MONOBASIC 20. 49%
Boric acid 0.5%
Dodecyl benzyl dimethyl ammonium chloride 0.0126
The water that adds again above-mentioned treble amount.
Frictional coefficient: 950 ℃ 1050 ℃ 1150 ℃
0.059 0.070 0.099
Embodiment 2
Salt of wormwood 55.2%
Water glass 14.8%
Sodium polyphosphate 5.0%
Boric acid 22.9%
Boron oxide 2.0%
Isothiazolinone 0.1%
The water that adds again above-mentioned four times of weight.
Frictional coefficient: 950 ℃ 1050 ℃ 1150 ℃
0.057 0.072 0.100
Embodiment 3
Potassium borate 20.0%
SODIUM PHOSPHATE, MONOBASIC 49.5%
Boric acid 29.7%
Isothiazolinone 0.8%
The water that adds again above-mentioned five times of weight.
Frictional coefficient: 950 ℃ 1050 ℃ 1150 ℃
0.058 0.081 0.101
Embodiment 4
Sodium Tetraborate 20.0%
Sodium bicarbonate 28.5%
Microcosmic salt 20.0%
Pillbox acid 29.5%
Isothiazolinone 2.0%
The water that adds again above-mentioned seven times of weight.
Frictional coefficient: 950 ℃ 1050 ℃ 1150 ℃
0.057 0.072 0.100
In sum, the present invention at high temperature has stable viscosity, has less shearing force, can carry out liquid lubrication, good high temperature lubrication property is arranged, and good heat-proof quality is arranged, avoid the plug temperature to raise fast in the process of mandrel mill-rolled steel pipe, be conducive to improve the plug life-span, and in use have colourless, tasteless, without advantages such as toxic and harmful, no dust pollutions, thereby possess good prospect for promotion and application.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (6)
1. high temperature lubricant is used in a metallized thermoplastic processing, it is characterized in that constitutive material weight percent proportioning is:
An alkali metal salt 15～70%
Phosphoric acid salt 10～50%
Boric acid 0.5～30%
Sterilant 0. 01～2%
Above-mentioned constitutive material adds the water of l～20 times weight again.
2. high temperature lubricant is used in metallized thermoplastic processing described according to claim l, and it is characterized in that: described an alkali metal salt is one or more in Sodium Tetraborate, potassium borate, water glass, potassium silicate, sodium sulfate, vitriolate of tartar, sodium carbonate, salt of wormwood, sodium bicarbonate, saleratus.
3. high temperature lubricant is used in metallized thermoplastic processing according to claim 2, and it is characterized in that: described phosphoric acid salt is one or more in sodium phosphate, potassiumphosphate, trisodium phosphate, Sodium hexametaphosphate 99, SODIUM PHOSPHATE, MONOBASIC, potassium primary phosphate, sodium polyphosphate, potassium primary phosphate, Secondary ammonium phosphate, Sodium phosphate dibasic, microcosmic salt, primary ammonium phosphate, SODIUM PHOSPHATE, MONOBASIC.
4. high temperature lubricant is used in metallized thermoplastic according to claim 3 processing, it is characterized in that: described boric acid is the boric acid of solubility and one or both in boron oxide.
5. high temperature lubricant is used in metallized thermoplastic processing according to claim 5, and it is characterized in that: described sterilant is one or more in dodecyl benzyl dimethyl ammonium chloride, isothiazolinone, glutaraldehyde, stability chlorine dioxide.
6. use high temperature lubricant according to claim l～6 described metallized thermoplastic processing of any one, it is characterized in that: the pH value of this lubricant is 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310093655 CN103173272A (en) | 2013-03-22 | 2013-03-22 | High-temperature lubricating agent for metal thermoplastic processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310093655 CN103173272A (en) | 2013-03-22 | 2013-03-22 | High-temperature lubricating agent for metal thermoplastic processing |
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| CN103173272A true CN103173272A (en) | 2013-06-26 |
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| CN 201310093655 Pending CN103173272A (en) | 2013-03-22 | 2013-03-22 | High-temperature lubricating agent for metal thermoplastic processing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593129A (en) * | 2013-10-30 | 2015-05-06 | 上海宝钢工业技术服务有限公司 | Total-synthesis water-base metal cutting fluid and preparation method |
| CN105358664A (en) * | 2013-07-10 | 2016-02-24 | 日本帕卡濑精株式会社 | Aqueous lubricant for plastic working of metal material and having superior gas clogging resistance and post-moisture absorption workability |
| CN107523389A (en) * | 2017-09-06 | 2017-12-29 | 吴江华威特种油有限公司 | A kind of ROLLING OIL being readily biodegradable |
| CN112480995A (en) * | 2020-12-10 | 2021-03-12 | 四川德胜集团钒钛有限公司 | Industrial steel rolling lubricant |
-
2013
- 2013-03-22 CN CN 201310093655 patent/CN103173272A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105358664A (en) * | 2013-07-10 | 2016-02-24 | 日本帕卡濑精株式会社 | Aqueous lubricant for plastic working of metal material and having superior gas clogging resistance and post-moisture absorption workability |
| CN105358664B (en) * | 2013-07-10 | 2017-11-14 | 日本帕卡濑精株式会社 | Processability after moisture absorption and resistance to slagging block the excellent metal material water-base lubricant for plastic forming of property |
| US10472585B2 (en) | 2013-07-10 | 2019-11-12 | Nihon Parkerizing Co., Ltd. | Aqueous lubricant for plastic working of metal material and having superior gas clogging resistance and post-moisture absorption workability |
| CN104593129A (en) * | 2013-10-30 | 2015-05-06 | 上海宝钢工业技术服务有限公司 | Total-synthesis water-base metal cutting fluid and preparation method |
| CN107523389A (en) * | 2017-09-06 | 2017-12-29 | 吴江华威特种油有限公司 | A kind of ROLLING OIL being readily biodegradable |
| CN112480995A (en) * | 2020-12-10 | 2021-03-12 | 四川德胜集团钒钛有限公司 | Industrial steel rolling lubricant |
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Application publication date: 20130626 |